标签:c++11
1 程序 = 算法 + 数据long long lnum; cout << sizeof(int) << endl; cout << sizeof lnum << endl;// 可以不是用括号 cout << sizeof (lnum) << endl;
//C++98:
int n1 = {24};// 给n1赋值为24
//C++11:
int n2{24};// 等号也可以省略
int n3{};// 不给值,将初始化为0int *p1;// C中,强调*p1的类型是int int* p2;// C++中,强调p2的类型是int* int * p3;// 推荐声明方式
#include <stdio.h>
#include <time.h>
void main()
{
int sec;
printf("Enter the delay time in seconds:");
scanf("%d", &sec);
clock_t delay = sec * CLOCKS_PER_SEC;
printf("start...\a\n");
clock_t start = clock();
while(clock() - start < delay);
printf("done\a\n");
} class Classy
{
int m_mem1 = 10;
};标签:c++11
原文地址:http://blog.csdn.net/xufeng0991/article/details/43236251